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You searched for: collection:FedFlix AND creator:"Pennsylvania Departmentof Transportation"
[movies]Drainage Pipe Placement - Pennsylvania Departmentof Transportation
Pennsylvania Departmentof TransportationVideo VH-122Drainage Pipe PlacementThis video demonstrates proper excavation, compaction and filling for pipe installation in highway drainage maintenance. Site preparation and pipe placement are shown, but the determination of proper pipe slope and grade is not. The excavation area is marked and the old pipe is removed with a backhoe; a smooth trench is created with squared sides and a firm subbase...
Keywords: dot.pa.gov; public.resource.org
Downloads: 97
[movies]Pennsylvania Bridges: Maintaining the Past - Preserving the Future - Pennsylvania Departmentof Transportation
Pennsylvania Departmentof TransportationVideo VH-414Pennsylvania Bridges: Maintaining the Past - Preserving the FutureTo keep long term costs down and ensure safety, a good preventative maintenance program is vital. The overall performance life of a bridge can be extended considerably with a relatively small investment and no major component replacement or rehabilitation. Cost effective maintenance activities include: eliminating deck joints, repairing or installing expansion dams, repairing bri...
Keywords: dot.pa.gov; public.resource.org
Downloads: 95
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